[LLVMdev] floating point exception and SSE2 instructions

Chris Lattner sabre at nondot.org
Wed Apr 19 19:34:55 PDT 2006

On Thu, 20 Apr 2006, Simon Burton wrote:
> from the --help:
>  -mattr=<a1,+a2,-a3,...>      - Target specific attributes (-mattr=help for details)
>  -mcpu=<cpu-name>             - Target a specific cpu type (-mcpu=help for details)
> but -mattr=help doesn't do anything.

Annoyingly you have to specify a .bc file.  Try:

% llvm-as /dev/null -o dummy.bc
% llc -mattr=help dummy.bc



More information about the llvm-dev mailing list